Improvement in wheel-bubs



consists in'a novel construction,

`combination of wood hub, metallic axle-box, metallic spoke-receiver,and metallic caps, so `asto .form a complete hub, as hereinafterdescribed.

CHARLES Pi WHITMAN, on cHARLeMoNT, MASSACHUSETTS.

Letters Patent No. 102,998, dated Mag/10, 1870.

IMPQVEMENT IN WHEEL-HUBS.

1 Thechedulereferred to :in these Letters YPateutam making part. of thesame.

To all 'whom 'tmay concern:

Be it known .that `I, CHARLES?. WHITMAN, of Ohax-lement, in theconntyot' Franklin and Stateof Massachusetts,` have invented certain fImprovements in .VVheel-Hubs, of which the following is a specificaltion, reference being 4 had to the accompanying drawings..v s

My invention relates to hubs for spoke-wheels,'and arrangement, and

`Figure 1 is a longitudinalcross-section'on the line" xxot'figZ; i

Figure 2 is .an end view with cap removed; Figures 3 and `4A are endviews of the caps; and Fignre'5 is an edge or side view of thespoke-re-In constructing 1n y hub `make a wooden hub, A, of any suitable size andform, but preferably o f the shape shown in fg.\1, andscrew it upon anaxle-box,

. B, provided'o'n its exterior with a thrcadfor that purpose, j v Therelative length of 'the wood hub and the axlebox is such 'as to allowthe ends of the box to project a short distance beyond the ends Vof thehub, as shown in the saine figure.v

Upon this wood hub A Isin-ink acast Inet-allie spoke-receiver, F,consisting. of a ring, (t, with a series of radial projections barranged so as to be equidistant from each other, and form soeketc forspokes H, and also with openings at the bottom ofthe sockets, to allowthe tenonsot'- `the spokes to enter a mortise `in` the wood hub, asshown in gs. 1, 2, and

The ring a of the spoke-receiver is made so as to extend la shortdistance 'on each side of' theradial projections b, and is provided onits outer surface with `a `screw-thread, as shown in the same figure. 0neach end of the axle-box Ivscrew a cap, G, provided `on the innersurfaceof its outer end with a screw-thread corlgcsponding `withzthat onthe axle-box Byand on the inner surface of its` inner end with `a threadcorrosponding'with that on the ring a. of. the spoke-receiver, asclearly shown in igfl, the caps beingso constructed that, when inposition, their inner face will bear against the projections b andcompletely hide them, and theironter ends be finsh with the ends'.

of the axle-box or not, as desired.

` The form, outwardly, of the caps` may be shaped to suit the fancy, theone on the outer end of the hub being shaped as shown in iig. 3, and oneon the inner end las shown in'fig. 4.

The spokes H are then driven into the sockets c, their ends beingsuitably shaped yfor that purpose,fand provided with a tenen to enteramortise in the wood hub, as sho'wnin igsfl and 2, and to shoulder uponit. l

In ahub constructed in this way it will be seen that the parts of whichit is composed t compactly together, andsiionld any of these partsbecome injured or broken, t can be replaced by another, and the wholeher as strong asit was in the iirst instance.

It isobvious thatv iny spoke-receiver may be used onwcoden hubs withoutVthe caps, if desired, and that by means' of it a strong anddurable'connection between the hubs and spokes can b'e made.'

Whenthe caps are on it will be seen that their inner faces form flangesthat bear against the sides of the spokes, and aid materially in holdingthenisecnrely in position.

Having thus described my invention,

l. A hub 'for carriages or wagons, consistingof the wooden body A,having the box or tube B inserted therein, and protruding at each end,with the caps G screwed thereon, substantially as described.

- 2. The combination of the body A, box lB, spokereceiver Rand caps G,when constructed and arranged substantially as herein described..

CHARLES I. WHITMAN.

Witnesses:

J. R. RANKIN, VHammr M. PUFFER..

